/*
 * Created on Mar 22, 2013
 * Created by Paul Gardner
 * 
 * Copyright 2013 Azureus Software, Inc.  All rights reserved.
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License only.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

package com.aelitis.azureus.core.tag.impl;

import java.util.List;

import com.aelitis.azureus.core.tag.Tag;
import com.aelitis.azureus.core.tag.Taggable;
import com.aelitis.azureus.core.tag.TaggableResolver;
import com.aelitis.azureus.core.util.CopyOnWriteList;

public class TagTypeWithState extends TagTypeBase {
    private CopyOnWriteList<Tag> tags = new CopyOnWriteList<Tag>();

    private TaggableResolver resolver;

    protected TagTypeWithState(int tag_type, int tag_features, String tag_name) {
        super(tag_type, tag_features, tag_name);
    }

    protected TagTypeWithState(int tag_type, TaggableResolver _resolver, int tag_features, String tag_name) {
        super(tag_type, tag_features, tag_name);

        resolver = _resolver;
    }

    protected Taggable resolveTaggable(String id) {
        if (resolver == null) {

            return (super.resolveTaggable(id));
        }

        return (resolver.resolveTaggable(id));
    }

    protected void removeTaggable(TaggableResolver _resolver, Taggable taggable) {
        if (resolver == _resolver) {

            for (Tag t : tags) {

                t.removeTaggable(taggable);
            }
        }

        super.removeTaggable(_resolver, taggable);
    }

    public void addTag(Tag t) {
        tags.add(t);

        if (t instanceof TagWithState) {

            getTagManager().tagCreated((TagWithState) t);
        }

        super.addTag(t);
    }

    public void removeTag(Tag t) {
        tags.remove(t);

        if (t instanceof TagWithState) {

            getTagManager().tagRemoved((TagWithState) t);
        }

        super.removeTag(t);
    }

    public List<Tag> getTags() {
        return (tags.getList());
    }
}
